Title:
PROCESSING OF COBALTOUS SULPHATE/DITHIONATE LIQUORS DERIVED FROM COBALT RESOURCE
Document Type and Number:
Japanese Patent JP2023159399
Kind Code:
A
Abstract:
To provide a method for processing cobaltous sulphate/dithionate liquors derived from cobalt resource.SOLUTION: There is provided a process for water removal and/or recycling of sodium sulphate and/or sodium dithionate containing liquors derived from processing a cobalt resource derived from components of lithium ion batteries comprising the steps of: deriving a solution containing cobalt sulphate and cobalt dithionate from the cobalt resource; precipitating cobalt as cobaltous carbonate or cobaltous hydroxide followed by removal thereof from the liquor; crystallizing sodium sulphate and sodium dithionate and removing resulting crystals followed by heating the crystals to anhydrous sodium sulphate, sulfur dioxide and water; and then separating the anhydrous sodium sulphate.SELECTED DRAWING: Figure 1
More Like This:
Inventors:
NORMAN CHOW
JOEY CHUNG YEN JUNG
ANCA-MIHAELA NACU
DOUGLAS DALE WARKENTIN
JOEY CHUNG YEN JUNG
ANCA-MIHAELA NACU
DOUGLAS DALE WARKENTIN
Application Number:
JP2023137949A
Publication Date:
October 31, 2023
Filing Date:
August 28, 2023
Export Citation:
Assignee:
ROCHER MANGANESE INC
International Classes:
C22B23/00; C22B3/08; C22B3/44; C22B7/00; C22B21/00; C22B26/10; C22B47/00
Attorney, Agent or Firm:
Osamu Yamamoto
Toru Miyamae
Junichi Matsuo
Toyoharu Matsuda
Toru Miyamae
Junichi Matsuo
Toyoharu Matsuda